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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fish oil Clear all
Completed Phase 4 Interventional Results available

Use of Omega-3 Fat Emulsion (Omegaven) in Infants With Parenteral Nutrition Associated Liver Disease

NCT00862446
View directory record Official record
Conditions
Parenteral Nutrition Associated Liver Disease
Interventions
Omegaven
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Up to 24 Months
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 22, 2026, 9:42 PM EDT
Not listed Early Phase 1 Interventional

Lovaza's Effect on Clopidogrel in a Neuro Population

NCT01526824
View directory record Official record
Conditions
Ischemic Stroke, Transient Ischemic Attack
Interventions
omega-3 polyunsaturated fatty acids (Lovaza)
Dietary Supplement
Lead sponsor
Millard Fillmore Gates Hospital
Other
Eligibility
25 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2012 · Synced Sep 22, 2026, 9:42 PM EDT
Recruiting Early Phase 1 Interventional

Differential Thrombogenesis by EPA and DHA Mediated by HDL

NCT06494488
View directory record Official record
Conditions
Lipid Metabolism Disorders, Hypertriglyceridemia
Interventions
EPA, DHA
Drug
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 69 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 and Blueberry Supplementation in Age-Related Cognitive Decline

NCT01746303
View directory record Official record
Conditions
Age-related Memory Disorders, Mood Disorders
Interventions
Omega-3 fatty acid, Blueberry powder, Placebo oil, Placebo powder
Dietary Supplement · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
62 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 4 Interventional Results available

Evaluating the Effectiveness of Fish Oil Supplements at Reducing the Recurrence of Atrial Fibrillation

NCT00552084
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Fish oil, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Sep 22, 2026, 9:42 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Feasibility Pilot Clinical Trial of Omega-3 Supplement vs. Placebo for Post Covid-19 Recovery Among Health Care Workers

NCT05121766
View directory record Official record
Conditions
COVID-19
Interventions
Omega-3 (EPA+DHA), Placebo
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 89 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Fish Oil Brain Delivery Study

NCT02541929
View directory record Official record
Conditions
Brain Health
Interventions
Docosahexaenoic acid
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
55 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Return of First-phase Insulin Secretion in Type 2 Diabetes is Associated With Depletion of Pancreas Lipid

NCT03430310
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Low Glycemic Diet, Control Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
35 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 1Phase 2 Interventional

The MHERO Study (Michigan's Hypertension, Diabetes, and Obesity Education Research Online)

NCT03729479
View directory record Official record
Conditions
Type2 Diabetes Mellitus, Hypertension, PreDiabetes, Overweight and Obesity
Interventions
DASH diet, Very low carbohydrate, ketogenic diet, Extras
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 70 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Omega 3 Fatty Acid Trial

NCT00586222
View directory record Official record
Conditions
Omega-3 Fatty Acids, Pediatric Bipolar Disorder, Adolescent Bipolar Disorder, Magnetic Resonance Spectroscopy Imaging
Interventions
Omega-3 Fatty Acid, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2012 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

Vitamin E and DHA-EE on NAFLD - Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Clinical Trial (PUVENAFLD)

NCT04198805
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Non-Alcoholic Fatty Liver, Non-Alcoholic Steatohepatitis
Interventions
Vitamin E [(all-rac)-α-tocopheryl acetate], Omega-3 fatty acid (DHA EE), Omega-3 fatty acid (DHA EE) & Vitamin E [(all-rac)-α-tocopheryl acetate], Placebo
Dietary Supplement · Combination Product · Other
Lead sponsor
Naga P. Chalasani
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Chandler, Arizona • Tucson, Arizona • North Little Rock, Arkansas + 10 more
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 22, 2026, 9:42 PM EDT
Terminated Phase 3 Interventional Results available

Effect of Fish Oil (Omega-3 Fatty Acids) on Arteries

NCT00935766
View directory record Official record
Conditions
Metabolic Diseases, Endocrine System Diseases, Heart Disease, Vascular Diseases, Diabetes, Cardiovascular Disease, Glucose Metabolism Disorders, Hypertension
Interventions
Omega-3, Placebo
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 1 Interventional

A Study of the Pharmacokinetics and Immunologic Effects of Lipoic Acid in Multiple Sclerosis

NCT00676156
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
oral lipoic acid (LA), lipoic acid (LA) with fish oil and LA without fish oil, R lipoic acid
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 22, 2026, 9:42 PM EDT
Withdrawn Not applicable Interventional

Reversal of Right Ventricular Steatosis in Pulmonary Hypertension

NCT02966899
View directory record Official record
Conditions
Pulmonary; Hypertension, Steatosis, Right Ventricular Failure
Interventions
Omega-3 fatty acids
Dietary Supplement
Lead sponsor
Wen-Chih Wu
Federal
Eligibility
30 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Supplement and Health Markers

NCT06492694
View directory record Official record
Conditions
Healthy
Interventions
Fish oil + wild orange essential oil supplement, Fish oil supplement
Dietary Supplement
Lead sponsor
dōTERRA International
Industry
Eligibility
18 Years to 64 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Pleasant Grove, Utah
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 1 Interventional

Effect of Polyunsaturated Fatty Acids on Cardiovascular and Motor Responses Under Stress

NCT00014027
View directory record Official record
Conditions
Healthy
Interventions
Docosahexaenoic acid (DHA), Eicosapentaenoic acid
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional

Effect of Omega-3-fatty Acids on Blood Levels Omega-3 Fatty Acids in Patients With Age-related Macular Degeneration

NCT01653184
View directory record Official record
Conditions
Macular Degeneration
Interventions
Omega-3 fatty acid
Dietary Supplement
Lead sponsor
Wills Eye
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Cherry Hill, New Jersey • Bethlehem, Pennsylvania • Huntingdon Valley, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vitamin D and Fish Oil for Autoimmune Disease, Inflammation and Knee Pain

NCT01351805
View directory record Official record
Conditions
Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis, Rheumatoid Arthritis
Interventions
Fish Oil, Vitamin D, placebo pill
Drug · Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 22, 2026, 9:42 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy Study to Compare Smoflipid and Intralipid 20% in Pediatric Patients of 3 Months to 16 Years of Age

NCT03563222
View directory record Official record
Conditions
Malnutrition, Child
Interventions
Smoflipid, Intralipid, 20%
Drug
Lead sponsor
Fresenius Kabi
Industry
Eligibility
3 Months to 16 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 22, 2026, 9:42 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Efficacy of OmegaBoost to Increase Omega-3 Levels in Healthy Individuals

NCT05763940
View directory record Official record
Conditions
Dry Eye Syndromes, Age-Related Macular Degeneration, Omega 3 Index
Interventions
OmegaBoost, Nature Made (soft gel), Nature Made (gummy)
Dietary Supplement
Lead sponsor
Western University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pomona, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Not applicable Interventional Results available

Fish Oil for HIV-Related Inflamm-aging and Immune Senescence

NCT02102724
View directory record Official record
Conditions
HIV Infection
Interventions
Fish oil that contains omega-3 fatty acids, Placebo
Dietary Supplement
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 70 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Sep 22, 2026, 9:42 PM EDT
Recruiting Phase 4 Interventional

Safety Study of SMOFlipid to Evaluate the Risk of Developing EFAD and/or PNAC in Pediatric and Adult Patients

NCT06049680
View directory record Official record
Conditions
Malnutrition, Child, Malnutrition, Essential Fatty Acid Deficiency (EFAD), Parenteral Nutrition Associated Cholestasis
Interventions
SMOFlipid® (lipid injectable emulsion)
Drug
Lead sponsor
Fresenius Kabi
Industry
Eligibility
1 Month to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 22, 2026, 9:42 PM EDT
Terminated Phase 1Phase 2 Interventional

Effects of Omega-3 Fatty Acid Supplementation on Inflammatory Response in Multisystem Trauma Patients

NCT01477697
View directory record Official record
Conditions
Multiple Trauma
Interventions
Omega-3, Placebo
Dietary Supplement
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Sep 22, 2026, 9:42 PM EDT
Completed Phase 4 Interventional Results available

A Clinical Trial Via Telepsychiatry of Treatments for the Management of Emotional Dysregulation in Youth

NCT03911414
View directory record Official record
Conditions
Mood Disturbance, Mood Disorders, Natural Supplements, Alternative Treatment
Interventions
Open-label Treatment with Omega-3 Fatty Acids + Inositol, Open-label Treatment with N-acetylcysteine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 22, 2026, 9:42 PM EDT